– Lat/Long: 48.71° N 121.99° W
South Twin Sister
Weather Forecast, United StatesIssued: 3 pm Fri 20 Feb Local TimeUpdates in: hr min sUpdate imminent
Issued: 3 pm Fri 20 Feb Local Time
Updates in:
Update imminent hr min s
Issued: 3 pm Fri 20 Feb Local Time
Updates in:
Update imminent hr min s
3 South Twin Sister Elevations: 3 Forecast Elevations: Days 1–4 Weather SummaryModerate rain (total 17mm), heaviest on Sun night. Freeze-thaw conditions (max 5°C on Sat morning, min 0°C on Fri afternoon). Wind will be generally light. | Days 5–7 Weather SummaryA light covering of new snow mostly falling on Tue night will be washed away by heavy rain (total 39mm) on Wed night. Freeze-thaw conditions (max 5°C on Mon afternoon, min -1°C on Mon night). Wind will be generally light. | ||||||||||||||||
Fri 20 | Saturday 21 | Sunday 22 | Monday 23 | Tuesday 24 | Wednesday 25 | ||||||||||||
PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  | |  | | |  |  |  |  | |  |  |  | |  | |
cloudy | cloudy | light rain | light rain | light rain | light rain | light rain | mod. rain | rain shwrs | mod. rain | rain shwrs | rain shwrs | snow shwrs | snow shwrs | light snow | light rain | heavy rain | |
km/h | |||||||||||||||||
 |  |  |  |  |  | ||||||||||||
— | — | — | — | — | — | — | — | — | — | — | — | 1 | 3 | 2 | — | — | |
— | — | 0.2 | 1.1 | 2 | 2 | 4 | 6 | 1.6 | 8 | 4 | 0.2 | 0.5 | — | 1.7 | 1.3 | 15 | |
max °C | 2 | 1 | 5 | 5 | 3 | 5 | 4 | 4 | 5 | 5 | 5 | 3 | 3 | 1 | 2 | 2 | 3 |
min °C | 0 | 0 | 4 | 3 | 3 | 5 | 4 | 3 | 5 | 4 | -1 | 2 | 1 | 0 | 1 | 2 | 2 |
-2 | -2 | 2 | 0 | 0 | 2 | 1 | 1 | 3 | 3 | -1 | 1 | -1 | -2 | -2 | 0 | -1 | |
800 | 700 | 1350 | 1450 | 1750 | 1750 | 1250 | 1200 | 1350 | 1400 | 1050 | 750 | 900 | 550 | 700 | 850 | 950 | |
Cloud base (m) | 1750 | 1750 | 2750 | 2200 | 2300 | 850 | 650 | 600 | 850 | 700 | 600 | 550 | 750 | 600 | 650 | 600 | 600 |
 | — | — | 7:03 | — | — | 7:01 | — | — | 7:00 | — | — | 6:58 | — | — | 6:56 | — | — |
 | 5:37 | — | — | 5:38 | — | — | 5:39 | — | — | 5:42 | — | — | 5:43 | — | — | 5:45 | — |
Loading...
South Twin Sister Weather (Days 0-3):
The weather forecast for South Twin Sister is: Moderate rain (total 17mm), heaviest on Sun night. Freeze-thaw conditions (max 5°C on Sat morning, min 0°C on Fri afternoon). Wind will be generally light.
South Twin Sister Weather (Days 3-6):
A light covering of new snow mostly falling on Tue night will be washed away by heavy rain (total 39mm) on Wed night. Freeze-thaw conditions (max 5°C on Mon afternoon, min -1°C on Mon night). Wind will be generally light.
This table gives the weather forecast for South Twin Sister at the specific elevation of 500 m. Our advanced weather models allow us to provide distinct weather forecasts for several elevations of South Twin Sister. To see the weather forecasts for the other elevations, use the tab navigation above the table. For a wider overview of the weather, consult the Weather Map of Washington.